21x-3+4x^2=13x-12+12x^3

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Solution for 21x-3+4x^2=13x-12+12x^3 equation: 


Simplifying
21x + -3 + 4x2 = 13x + -12 + 12x3

Reorder the terms:
-3 + 21x + 4x2 = 13x + -12 + 12x3

Reorder the terms:
-3 + 21x + 4x2 = -12 + 13x + 12x3

Solving
-3 + 21x + 4x2 = -12 + 13x + 12x3

Solving for variable 'x'.

Reorder the terms:
-3 + 12 + 21x + -13x + 4x2 + -12x3 = -12 + 13x + 12x3 + 12 + -13x + -12x3

Combine like terms: -3 + 12 = 9
9 + 21x + -13x + 4x2 + -12x3 = -12 + 13x + 12x3 + 12 + -13x + -12x3

Combine like terms: 21x + -13x = 8x
9 + 8x + 4x2 + -12x3 = -12 + 13x + 12x3 + 12 + -13x + -12x3

Reorder the terms:
9 + 8x + 4x2 + -12x3 = -12 + 12 + 13x + -13x + 12x3 + -12x3

Combine like terms: -12 + 12 = 0
9 + 8x + 4x2 + -12x3 = 0 + 13x + -13x + 12x3 + -12x3
9 + 8x + 4x2 + -12x3 = 13x + -13x + 12x3 + -12x3

Combine like terms: 13x + -13x = 0
9 + 8x + 4x2 + -12x3 = 0 + 12x3 + -12x3
9 + 8x + 4x2 + -12x3 = 12x3 + -12x3

Combine like terms: 12x3 + -12x3 = 0
9 + 8x + 4x2 + -12x3 = 0

The solution to this equation could not be determined.

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